Coeur D Alene, ID Radon Levels

Q: What is the average radon level in Coeur D Alene, ID?

Based on 5 user-submitted tests, the average radon level is 9.00 pCi/L.

Q: What EPA Radon Zone is Coeur D Alene in?

Coeur D Alene is in Kootenai County, EPA Zone 1.

Q: How much does radon mitigation cost in Coeur D Alene?

Radon mitigation typically costs between $800 and $2,000. Most standard systems fall in the $1,000-$1,500 range.

Check local Coeur D Alene radon levels and find certified testing and mitigation professionals to keep your home safe

Coeur D Alene, ID Radon Facts

EPA Radon Zone Zone 1 — High Risk > 4.0 pCi/L (Zone 1)

County Kootenai County, ID

Zip Code 83814

Avg. User Level 9.00 pCi/L

User Tests 5

This scenic lakeside city in Kootenai County shows significantly elevated radon levels, with local testing data revealing an average of 9.0 pCi/L - more than double the EPA's recommended action threshold. Properties in the Coeur d'Alene Metro area have recorded readings ranging from 2.0 to 20.0 pCi/L across zip codes 83814 and 83815, reflecting the region's granite bedrock and glacial deposits. Given these concerning levels, all homeowners should prioritize radon testing and strongly consider professional mitigation systems to protect against this invisible health hazard.

9.00

pCi/L average

Above EPA Action Level

Based on 5 user-submitted radon tests for homes in Coeur D Alene, ID. The EPA recommends taking action at or above 4.0 pCi/L.

4.0 EPA

10+

Coeur D Alene, ID Radon Mitigation

Professional radon mitigation is the most effective way to permanently lower radon levels and protect your household.

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Coeur D Alene, Idaho Radon Levels

User-submitted radon test readings from homes in the Coeur D Alene area.

Radon Level	City	Home Age	Foundation	Submitted
10 pCi/L	Coeur D Alene, ID	21-50 Years	No Basement/All Slab	Jan 2024
20 pCi/L	Coeur D Alene, ID	0-20 Years	Full Basement	Jun 2023
2 pCi/L	Coeur D Alene, ID	0-20 Years	No Basement/All Crawl Space	Oct 2022
4 pCi/L	Coeur D Alene, ID	0-20 Years	Full Basement	Oct 2019

Have a radon test result for Coeur D Alene? Submit your reading to help other homeowners.

Radon FAQ for Coeur D Alene, ID

What is the average radon level in Coeur D Alene, ID?

Based on 5 user-submitted tests, the average radon level in Coeur D Alene is 9.00 pCi/L. This exceeds the EPA's recommended action level of 4.0 pCi/L, and radon testing is recommended for all homes in the area.

What EPA Radon Zone is Coeur D Alene in?

Coeur D Alene and the 83814 zip code are in Kootenai County, which has an EPA assigned Radon Zone of 1. A zone of 1 predicts an average indoor radon screening level greater than 4 pCi/L.

How much does radon mitigation cost in Coeur D Alene?

Radon mitigation in Coeur D Alene typically costs between $800 and $2,000. Most homes with standard basements can be mitigated with a sub-slab depressurization system in the $1,000–$1,500 range. Factors that can increase cost include complex foundations, crawl spaces, or very high radon levels.

Should I test for radon if I'm buying a home in Coeur D Alene?

Yes. Radon testing should be part of every home purchase. A short-term radon test is typically included as part of the home inspection process and costs $150–$250. If elevated levels are found, you can negotiate mitigation as part of the sale.

Most Active Radon Markets in Idaho

Cities in Idaho with the most user-submitted radon test data, ranked by number of submissions.

City	Avg User Radon Level	Submissions
Idaho Falls	7.29 pCi/L	7
Hailey	7.83 pCi/L	6
Post Falls	9.00 pCi/L	5
Coeur D Alene	9.00 pCi/L	4
Moscow	7.75 pCi/L	4
Victor	6.67 pCi/L	3
Driggs	16.00 pCi/L	2
Hayden	8.50 pCi/L	2
Pocatello	8.50 pCi/L	2
Eagle	6.00 pCi/L	1